[INFO] cloning repository https://github.com/isubasinghe/ruskell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isubasinghe/ruskell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisubasinghe%2Fruskell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisubasinghe%2Fruskell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91f449a3d023f8f8a501bc9da5c52aaf56e615ec
[INFO] testing isubasinghe/ruskell against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisubasinghe%2Fruskell" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isubasinghe/ruskell on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/isubasinghe/ruskell
[INFO] finished tweaking git repo https://github.com/isubasinghe/ruskell
[INFO] tweaked toml for git repo https://github.com/isubasinghe/ruskell written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/isubasinghe/ruskell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e8ea9131f1f33ae4ebefc0f0fc9b9a9abde7c503fd84e97a672d9af3d92ea62
[INFO] running `Command { std: "docker" "start" "-a" "7e8ea9131f1f33ae4ebefc0f0fc9b9a9abde7c503fd84e97a672d9af3d92ea62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8ea9131f1f33ae4ebefc0f0fc9b9a9abde7c503fd84e97a672d9af3d92ea62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8ea9131f1f33ae4ebefc0f0fc9b9a9abde7c503fd84e97a672d9af3d92ea62", kill_on_drop: false }`
[INFO] [stdout] 7e8ea9131f1f33ae4ebefc0f0fc9b9a9abde7c503fd84e97a672d9af3d92ea62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f7f49e11ff63c0a0bc3e326f8d041ade95dc1ad8ab79b9e576ad2671c2fddce
[INFO] running `Command { std: "docker" "start" "-a" "9f7f49e11ff63c0a0bc3e326f8d041ade95dc1ad8ab79b9e576ad2671c2fddce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ruskell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/main.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Either::Left(l) => panic!("left value"),
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "9f7f49e11ff63c0a0bc3e326f8d041ade95dc1ad8ab79b9e576ad2671c2fddce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7f49e11ff63c0a0bc3e326f8d041ade95dc1ad8ab79b9e576ad2671c2fddce", kill_on_drop: false }`
[INFO] [stdout] 9f7f49e11ff63c0a0bc3e326f8d041ade95dc1ad8ab79b9e576ad2671c2fddce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b2430e2fa5ad89fd7ba42e5a60a378152227a7cce7e6b2acb7f6c070549640
[INFO] running `Command { std: "docker" "start" "-a" "a9b2430e2fa5ad89fd7ba42e5a60a378152227a7cce7e6b2acb7f6c070549640", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruskell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/main.rs:42:26
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Either::Left(l) => panic!("left value"),
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "a9b2430e2fa5ad89fd7ba42e5a60a378152227a7cce7e6b2acb7f6c070549640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b2430e2fa5ad89fd7ba42e5a60a378152227a7cce7e6b2acb7f6c070549640", kill_on_drop: false }`
[INFO] [stdout] a9b2430e2fa5ad89fd7ba42e5a60a378152227a7cce7e6b2acb7f6c070549640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39347c56794fd61169317d01e96f8ab58b7430d75c630747ea2822cdabd108d3
[INFO] running `Command { std: "docker" "start" "-a" "39347c56794fd61169317d01e96f8ab58b7430d75c630747ea2822cdabd108d3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/main.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Either::Left(l) => panic!("left value"),
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ruskell` (bin "ruskell" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ruskell-157ca3bd098eb367)
[INFO] running `Command { std: "docker" "inspect" "39347c56794fd61169317d01e96f8ab58b7430d75c630747ea2822cdabd108d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39347c56794fd61169317d01e96f8ab58b7430d75c630747ea2822cdabd108d3", kill_on_drop: false }`
[INFO] [stdout] 39347c56794fd61169317d01e96f8ab58b7430d75c630747ea2822cdabd108d3